- Latest release
- 26.10.0 (Oct 30, 2026): no advisory affects it
- Newest unaffected release
- 26.10.0 (Oct 30, 2026), the latest release
- Advisories
- 22 · 9 high, 6 medium, 1 low
- Weekly downloads
- 3.7M
- Dependents
- 1,493
- Releases
- 99 since 2.1.0
- Registry
- PyPI
- Releases read
- Nov 8, 2026
Version timeline
- GHSA-VPP8-G58W-M8MPAffects 2.1.0 to 26.4.0 (26.10.0rc1 is outside it)
- CVE-2026-115877Affects 2.1.0 to 26.4.0 (26.10.0rc1 is outside it)
- CVE-2026-83813Affects 2.1.0 to 26.4.0 (26.10.0rc1 is outside it)
- CVE-2026-115778Affects 2.1.0 to 26.4.0 (26.10.0rc1 is outside it)
- CVE-2026-115776Affects 2.1.0 to 26.4.0 (26.10.0rc1 is outside it)
- CVE-2026-115775Affects 2.1.0 to 26.4.0 (26.10.0rc1 is outside it)
- CVE-2026-115774Affects 2.1.0 to 26.4.0 (26.10.0rc1 is outside it)
- CVE-2026-106454Affects 2.1.0 to 26.4.0 (26.10.0rc1 is outside it)
- CVE-2026-42304Affects 2.1.0 to 26.4.0rc2 (26.4.0 is outside it)
- CVE-2024-41810Affects 2.1.0 to 24.3.0 (24.7.0rc1 is outside it)
- CVE-2024-41671Affects 2.1.0 to 24.3.0 (24.7.0rc1 is outside it)
- CVE-2023-46137Affects 2.1.0 to 23.8.0 (23.10.0rc1 is outside it)
Show all 22 advisoriesShow fewer advisories
- CVE-2022-39348Affects 2.1.0 to 22.8.0 (22.10.0rc1 is outside it)
- CVE-2022-24801Affects 2.1.0 to 22.4.0rc1 (22.4.0 is outside it)
- CVE-2022-21716Affects 21.7.0 to 22.2.0rc1 (22.2.0 is outside it)
- CVE-2022-21712Affects 11.1.0 to 22.1.0rc1 (22.1.0 is outside it)
- CVE-2020-10108Affects 2.1.0 to 20.3.0rc1 (20.3.0 is outside it)
- CVE-2020-10109Affects 2.1.0 to 20.3.0rc1 (20.3.0 is outside it)
- CVE-2016-1000111Affects 2.1.0 to 16.3.0 (16.3.1 is outside it)
- CVE-2014-7143Affects 2.1.0 to 14.0.0 (14.0.1 is outside it)
- CVE-2019-12855Affects 2.1.0 to 19.2.1 (19.7.0rc1 is outside it)
- CVE-2019-12387Affects 2.1.0 to 19.2.0 (19.2.1 is outside it)
Advisories 22
Twisted: Unauthenticated Remote Denial of Service in the Twisted HTTP/2 Server via Rapid Stream Reset
Affected: fixed in 26.10.0rc1.
Fixed in 26.10.0rc1 (released Oct 22, 2026, 7 days before disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2026-115877Medium 5.4
Twisted: HTTP Request Smuggling in twisted.web via a Bare CR or LF in a Header Value
Affected: fixed in 26.10.0rc1.
Fixed in 26.10.0rc1 (released Oct 22, 2026, 1 day before disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2026-83813Low 3.1
Twisted: DNS Response Spoofing in twisted.names Due to Missing Source Address Validation
Affected: fixed in 26.10.0rc1.
Fixed in 26.10.0rc1 (released Oct 22, 2026, 1 day before disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2026-115778High 7.5
Twisted: Unauthenticated Remote Denial of Service in the Twisted conch Telnet Transport via an Unbounded Subnegotiation Buffer
Affected: fixed in 26.10.0rc1.
Fixed in 26.10.0rc1 (released Oct 22, 2026, 1 day before disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2026-115776High 7.5
Twisted: Unauthenticated Remote Denial of Service in the Twisted IRC Server via an Unbounded Line Buffer
Affected: fixed in 26.10.0rc1.
Fixed in 26.10.0rc1 (released Oct 22, 2026, 1 day before disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2026-115775High 8.7
Twisted: Unauthenticated Remote Denial of Service in the Twisted words domish XML Element Stream via an Unbounded Element Tree
Affected: fixed in 26.10.0rc1.
Fixed in 26.10.0rc1 (released Oct 22, 2026, 1 day before disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2026-115774Medium 4.9
Twisted: Denial of Service in the Twisted IMAP4 Server via a Negative Literal Size in SEARCH
Affected: fixed in 26.10.0rc1.
Fixed in 26.10.0rc1 (released Oct 22, 2026, 1 day before disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2026-106454Medium 4.3
Twisted: IMAP wildcardToRegexp() ReDoS
Affected: through 26.4.0; through 25.5.0.
Fixed in 26.10.0 (released Oct 30, 2026, 24 days after disclosure), the first release outside every affected range (no listed fixed version clears them all).
The latest release, 26.10.0, is not affected.
- CVE-2026-42304High 7.5
Twisted: Denial of Service (DoS) in twisted.names via Crafted DNS Compression Pointer Chains
Affected: fixed in 26.4.0; fixed in 26.4.0rc2.
Fixed in 26.4.0 (released May 11, 2026, 2 days before disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2024-41810Medium 6.1
HTML injection in HTTP redirect body
Affected: fixed in 24.7.0rc1.
Fixed in 24.7.0rc1 (released Jul 29, 2024, the day of disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2024-41671High 8.3
twisted.web has disordered HTTP pipeline response
Affected: fixed in 24.7.0rc1.
Fixed in 24.7.0rc1 (released Jul 29, 2024, the day of disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2023-46137Medium 5.3
twisted.web has disordered HTTP pipeline response
Affected: fixed in 23.10.0rc1; fixed in 23.10.0rc1.
Fixed in 23.10.0rc1 (released Oct 24, 2023, 1 day before disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2022-39348Medium 5.4
Twisted vulnerable to NameVirtualHost Host header injection
Affected: from 0.9.4, fixed in 22.10.0rc1.
Fixed in 22.10.0rc1 (released Oct 26, 2022, the day of disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2022-24801High 8.1
HTTP Request Smuggling in twisted.web
Affected: fixed in 22.4.0.
Fixed in 22.4.0 (released Apr 11, 2022, 7 days after disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2022-21716High 7.5
Buffer Overflow in Twisted
Affected: from 21.7.0, fixed in 22.2.0.
Fixed in 22.2.0 (released Mar 3, 2022, the day of disclosure).
The latest release, 26.10.0, is not affected.
Show all 22 advisoriesShow fewer advisories
- CVE-2022-21712High 7.5
Cookie and header exposure in twisted
Affected: from 11.1.0, fixed in 22.1.0.
Fixed in 22.1.0 (released Feb 7, 2022, the day of disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2020-10108Unrated
In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability.
Affected: fixed in 20.3.0rc1; fixed in 20.3.0.
Fixed in 20.3.0 (released Mar 20, 2020, 8 days after disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2020-10109Unrated
In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability.
Affected: fixed in 20.3.0; fixed in 20.3.0rc1.
Fixed in 20.3.0 (released Mar 20, 2020, 8 days after disclosure).
The latest release, 26.10.0, is not affected.
- CVE-2016-1000111Unrated
Twisted before 16.3.1 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect CGI…
Affected: fixed in 16.3.1.
Fixed in 16.3.1.
The latest release, 26.10.0, is not affected.
- CVE-2014-7143Unrated
Python Twisted 14.0 trustRoot is not respected in HTTP client
Affected: from 14.0.0, fixed in 14.0.1; fixed in 14.0.1.
Fixed in 14.0.1.
The latest release, 26.10.0, is not affected.
- CVE-2019-12855Unrated
In words.protocols.jabber.xmlstream in Twisted through 19.2.1, XMPP support did not verify certificates when used with TLS, allowing an…
Affected: fixed in 19.7.0rc1; fixed in 19.7.0rc1.
Fixed in 19.7.0rc1.
The latest release, 26.10.0, is not affected.
- CVE-2019-12387Unrated
In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters…
Affected: fixed in 19.2.1; fixed in 19.2.1.
Fixed in 19.2.1.
The latest release, 26.10.0, is not affected.